Extracting Information with PowerShell

testmedium
log source: windows · ps_scriptauthor frack113date 2021-12-19
01

description

What this is, in brief.

Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials. These can be files created by users to store their own credentials, shared credential stores for a group of individuals, configuration files containing passwords for a system or service, or source code/binary files containing embedded passwords.

02

tags

attack.credential-accessattack.t1552.001
03

rule source (YAML)

title: Extracting Information with PowerShell
id: bd5971a7-626d-46ab-8176-ed643f694f68
status: test
description: |
    Adversaries may search local file systems and remote file shares for files containing insecurely stored credentials.
    These can be files created by users to store their own credentials, shared credential stores for a group of individuals,
    configuration files containing passwords for a system or service, or source code/binary files containing embedded passwords.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1552.001/T1552.001.md
author: frack113
date: 2021-12-19
modified: 2022-12-25
tags:
    - attack.credential-access
    - attack.t1552.001
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains|all:
            - ls
            - ' -R'
            - 'select-string '
            - '-Pattern '
    condition: selection
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/powershell/powershell_script/posh_ps_susp_extracting/info.yml
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.